seojangho commented on a change in pull request #11: [NEMO-42] Make
SchedulerRunner reactive, Ensure reverse-topological ordering in scheduling
URL: https://github.com/apache/incubator-nemo/pull/11#discussion_r177311783
##########
File path:
runtime/executor/src/main/java/edu/snu/nemo/runtime/executor/MetricManagerWorker.java
##########
@@ -53,7 +53,7 @@ private
MetricManagerWorker(@Parameter(MetricFlushPeriod.class) final long flush
flushingPeriod,
TimeUnit.MILLISECONDS);
}
- private void flushMetricMessageQueueToMaster() {
+ private synchronized void flushMetricMessageQueueToMaster() {
Review comment:
If `MetricManagerWorker#close` and `batchMetricMessages#run` happens to be
invoked concurrently, `flushMetricMessageQueueToMaster` would not guarantee
consistent behavior without proper synchronization.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
